Carhartt WIP Prentis Vest Liner Fleece Black / Black The Prentis Vest Liner is constructed in a heavyweight polyester pile with a mesh-lined body for added breathability. Features nylon taffeta panel detailing and a chest pocket with zip closure and classic woven Carhartt WIP label. Two front pockets provide additional storage. Finished with a contrast front zip closure.mesh lined bodynylon taffeta detailsfront closure, side pockets and chest pocket with zipsquare label Carhartt WIP Prentis Vest Liner Fleece Black / Black